Stuck on CG

Hello i know the osrs community has great tips and builds so im seeking help to be able to take out cg and hopefully echo cg any chance you guys can lead me to the right path on pacts I have 22 pacts im a water/thorns build right now but I can reset please help also im trying to level up my prayer should I just bury bones or is there a better way to gain xp without the soul relic?

Thank you